274917920

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1378

約数の個数: 96

約数和(自身を含む): 686568960

約数和(自身を除く): 411651040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 43, 62, 80, 86, 124, 155, 160, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 992, 1240, 1289, 1333, 1376, 1720, 2480, 2578, 2666, 3440, 4960, 5156, 5332, 6445, 6665, 6880, 10312, 10664, 12890, 13330, 20624, 21328, 25780, 26660, 39959, 41248, 42656, 51560, 53320, 55427, 79918, 103120, 106640, 110854, 159836, 199795, 206240, 213280, 221708, 277135, 319672, 399590, 443416, 554270, 639344, 799180, 886832, 1108540, 1278688, 1598360, 1718237, 1773664, 2217080, 3196720, 3436474, 4434160, 6393440, 6872948, 8591185, 8868320, 13745896, 17182370, 27491792, 34364740, 54983584, 68729480, 137458960, 274917920]

約数ペア:

[(1, 274917920), (2, 137458960), (4, 68729480), (5, 54983584), (8, 34364740), (10, 27491792), (16, 17182370), (20, 13745896), (31, 8868320), (32, 8591185), (40, 6872948), (43, 6393440), (62, 4434160), (80, 3436474), (86, 3196720), (124, 2217080), (155, 1773664), (160, 1718237), (172, 1598360), (215, 1278688), (248, 1108540), (310, 886832), (344, 799180), (430, 639344), (496, 554270), (620, 443416), (688, 399590), (860, 319672), (992, 277135), (1240, 221708), (1289, 213280), (1333, 206240), (1376, 199795), (1720, 159836), (2480, 110854), (2578, 106640), (2666, 103120), (3440, 79918), (4960, 55427), (5156, 53320), (5332, 51560), (6445, 42656), (6665, 41248), (6880, 39959), (10312, 26660), (10664, 25780), (12890, 21328), (13330, 20624)]